Campbell CR1000 User manual

CR1000 Measurement and
Control System
Revision: 7/08
Copyright © 2000-2008
Campbell Scientific, Inc.

Warranty and Assistance
The CR1000 MEASUREMENT AND CONTROL SYSTEM is warranted
by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and
workmanship under normal use and service for thirty-six (36) months from
date of shipment unless specified otherwise. Batteries have no warranty.
CAMPBELL SCIENTIFIC, INC.'s obligation under this warranty is limited to
repairing or replacing (at CAMPBELL SCIENTIFIC, INC.'s option) defective
products. The customer shall assume all costs of removing, reinstalling, and
shipping defective products to CAMPBELL SCIENTIFIC, INC. CAMPBELL
SCIENTIFIC, INC. will return such products by surface carrier prepaid. This
warranty shall not apply to any CAMPBELL SCIENTIFIC, INC. products
which have been subjected to modification, misuse, neglect, accidents of
nature, or shipping damage. This warranty is in lieu of all other warranties,
expressed or implied, including warranties of merchantability or fitness for a
particular purpose. CAMPBELL SCIENTIFIC, INC. is not liable for special,
indirect, incidental, or consequential damages.
Products may not be returned without prior authorization. The following
contact information is for US and International customers residing in countries
served by Campbell Scientific, Inc. directly. Affiliate companies handle
repairs for customers within their territories. Please visit
www.campbellsci.com to determine which Campbell Scientific company
serves your country. To obtain a Returned Materials Authorization (RMA),
contact CAMPBELL SCIENTIFIC, INC., phone [phone]. After an
applications engineer determines the nature of the problem, an RMA number
will be issued. Please write this number clearly on the outside of the shipping
container. CAMPBELL SCIENTIFIC's shipping address is:
CAMPBELL SCIENTIFIC, INC.
RMA#_____
815 West 1800 North
Logan, Utah 84321-1784
CAMPBELL SCIENTIFIC, INC. does not accept collect calls.

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CR1000 Table of Contents
PDF viewers note: These page numbers refer to the printed version of this document. Use
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1. Introduction...............................................................1-1
2. Quickstart Tutorial....................................................2-1
2.1 Primer – CR1000 Data Acquisition...................................................... 2-1
2.1.1 Components of a Data Acquisition System ................................ 2-1
2.1.1.1 Sensors .............................................................................. 2-1
2.1.1.2 Datalogger ......................................................................... 2-1
2.1.1.3 Data Retrieval.................................................................... 2-1
2.1.2 CR1000 Mounting....................................................................... 2-2
2.1.3 Wiring Panel ............................................................................... 2-2
2.1.4 Battery Backup............................................................................ 2-2
2.1.5 Power Supply.............................................................................. 2-2
2.1.6 Analog Sensors ........................................................................... 2-4
2.1.7 Bridge Sensors ............................................................................ 2-6
2.1.8 Pulse Sensors............................................................................... 2-7
2.1.9 Digital I/O Ports.......................................................................... 2-7
2.1.10 RS-232 Sensors......................................................................... 2-8
2.2 Hands-on Exercise – Measuring a Thermocouple ................................ 2-9
2.2.1 Connections to the CR1000 ........................................................ 2-9
2.2.2 PC200W Software..................................................................... 2-10
2.2.2.1 Programming with Short Cut........................................... 2-10
2.2.2.2 Connecting to the Datalogger.......................................... 2-15
2.2.2.3 Synchronizing the Clocks................................................ 2-16
2.2.2.4 Sending the Program ....................................................... 2-16
2.2.2.5 Monitoring Data Tables................................................... 2-16
2.2.2.6 Collecting Data................................................................ 2-16
2.2.2.7 Viewing Data................................................................... 2-17
3. Overview....................................................................3-1
3.1 CR1000 Overview................................................................................ 3-1
3.1.1 Sensor Support............................................................................ 3-2
3.1.2 Input / Output Interface: The Wiring Panel................................. 3-2
3.1.2.1 Measurement Inputs.......................................................... 3-2
3.1.2.2 Voltage Outputs ................................................................ 3-3
3.1.2.3 Grounding Terminals ........................................................ 3-4
3.1.2.4 Power Terminals ............................................................... 3-4
3.1.2.5 Communications Ports ...................................................... 3-5
3.1.3 Power Requirements ................................................................... 3-6
3.1.4 Programming: Firmware and User Programs.............................. 3-6
3.1.4.1 Firmware: OS and Settings................................................ 3-6
3.1.4.2 User Programming............................................................. 3-7
3.1.5 Memory and Data Storage .......................................................... 3-7
3.1.6 Communications ......................................................................... 3-8
3.1.6.1 PakBus............................................................................... 3-8
3.1.6.2 Modbus.............................................................................. 3-8
3.1.6.3 DNP3 Communication ...................................................... 3-9
3.1.6.4 Keyboard Display.............................................................. 3-9

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3.1.7 Security......................................................................................3-10
3.1.8 Care and Maintenance............................................................... 3-10
3.1.8.1 Protection from Water ..................................................... 3-10
3.1.8.2 Protection from Voltage Transients................................. 3-11
3.1.8.3 Calibration .......................................................................3-11
3.1.8.4 Internal Battery ................................................................ 3-11
3.2 PC Support Software .......................................................................... 3-11
3.3 Specifications...................................................................................... 3-13
4. Sensor Support ........................................................ 4-1
4.1 Powering Sensors .................................................................................4-1
4.1.1 Switched Precision (-2500 to +2500 mV)................................... 4-1
4.1.2 Continuous Regulated (5 Volt) ................................................... 4-1
4.1.3 Continuous Unregulated (Nominal 12 Volt)............................... 4-1
4.1.4 Switched Unregulated (Nominal 12 Volt) ..................................4-2
4.2 Voltage Measurement........................................................................... 4-2
4.2.1 Electronic “Noise”: VoltDiff() or VoltSE()? ..............................4-3
4.2.2 Measurement Sequence ............................................................... 4-4
4.2.3 Voltage Range.............................................................................4-4
4.2.4 Offset Voltage Compensation .....................................................4-6
4.2.4.1 Input and Excitation Reversal (RevDiff, RevEx = True) ..4-7
4.2.4.2 Ground Reference Offset Voltage (MeasOff = True)........4-8
4.2.4.3 Background Calibration (RevDiff, RevEx, MeasOff =
False) .....................................................................................4-8
4.2.5 Measurements Requiring AC Excitation..................................... 4-8
4.2.6 Integration ...................................................................................4-9
4.2.6.1 AC Power Line Noise Rejection........................................ 4-9
4.2.7 Signal Settling Time.................................................................. 4-11
4.2.7.1 Minimizing Settling Errors .............................................. 4-12
4.2.7.2 Measuring the Necessary Settling Time .......................... 4-12
4.2.8 Self-Calibration ......................................................................... 4-14
4.3 Bridge Resistance Measurements ....................................................... 4-17
4.3.1 Strain Calculations .................................................................... 4-20
4.4 Thermocouple Measurements............................................................. 4-22
4.4.1 Error Analysis ........................................................................... 4-22
4.4.1.1 Panel Temperature ........................................................... 4-23
4.4.1.2 Thermocouple Limits of Error......................................... 4-25
4.4.1.3 Accuracy of Thermocouple Voltage Measurement ......... 4-26
4.4.1.4 Noise on Voltage Measurement....................................... 4-27
4.4.1.5 Thermocouple Polynomial: Voltage to Temperature...... 4-27
4.4.1.6 Reference Junction Compensation: Temperature to
Voltage................................................................................. 4-28
4.4.1.7 Error Summary ................................................................4-29
4.4.1.8 Use of External Reference Junction................................. 4-29
4.5 Pulse Count Measurement................................................................... 4-30
4.5.1 Pulse Input Channels P1 and P2................................................ 4-31
4.5.1.1 High-frequency Pulse ...................................................... 4-32
4.5.1.2 Low-Level AC ................................................................. 4-33
4.5.1.3 Switch Closure................................................................. 4-33
4.5.2 Digital I/O Portsfor Pulse Counting ......................................... 4-33
4.6 Period Averaging Measurements........................................................ 4-34
4.7 SDI-12 Recording............................................................................... 4-35
4.8 RS-232 and TTL Recording ............................................................... 4-35
4.9 Field Calibration of Linear Sensor......................................................4-36

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4.10 Cabling Effects on Measurements.................................................... 4-36
4.10.1 Analog Sensors ....................................................................... 4-36
4.10.2 Digital Sensors ........................................................................ 4-36
4.10.3 Serial Sensors.......................................................................... 4-36
4.10.3.1 RS-232 Sensors ............................................................. 4-36
4.10.3.2 SDI-12 Sensors.............................................................. 4-36
5. Measurement and Control Peripherals...................5-1
5.1 Analog Input Expansion....................................................................... 5-1
5.2 Pulse Input Expansion Modules ........................................................... 5-1
5.3 Serial Input Expansion Modules........................................................... 5-1
5.4 Control Output...................................................................................... 5-1
5.4.1 Binary Control ............................................................................ 5-2
5.4.1.1 Digital I/O Ports................................................................ 5-2
5.4.1.2 Switched 12 V Control...................................................... 5-2
5.4.1.3 Relays and Relay Drivers.................................................. 5-2
5.4.1.4 Component Built Relays ................................................... 5-2
5.5 Analog Control / Output Devices ......................................................... 5-3
5.6 Other Peripherals.................................................................................. 5-3
5.6.1 TIMs............................................................................................ 5-3
5.6.2 Vibrating Wire ............................................................................ 5-4
5.6.3 Low-level AC.............................................................................. 5-4
6. CR1000 Power Supply..............................................6-1
6.1 Power Requirement .............................................................................. 6-1
6.2 Calculating Power Consumption.......................................................... 6-1
6.3 Campbell Scientific Power Supplies .................................................... 6-1
6.4 Battery Connection............................................................................... 6-2
6.5 Vehicle Power Connections ................................................................. 6-2
7. Grounding .................................................................7-1
7.1 ESD Protection ..................................................................................... 7-1
7.1.1 Lightning Protection ................................................................... 7-3
7.2 Common Mode Range.......................................................................... 7-4
7.3 Single-Ended Measurement Reference ................................................ 7-5
7.4 Ground Potential Differences ............................................................... 7-5
7.4.1 Soil Temperature Thermocouple................................................. 7-6
7.4.2 External Signal Conditioner........................................................ 7-6
7.5 Ground Looping in Ionic Measurements.............................................. 7-6
8. CR1000 Configuration ..............................................8-1
8.1 DevConfig ............................................................................................ 8-1
8.2 Sending the Operating System ............................................................. 8-2
8.2.1 Sending OS with DevConfig ...................................................... 8-2
8.2.2 Sending OS to Remote CR1000 ................................................. 8-4
8.2.3 Sending OS Using CF Card........................................................ 8-4
8.3 Settings................................................................................................. 8-4
8.3.1 Settings via DevConfig ............................................................... 8-4
8.3.1.1 Deployment Tab................................................................ 8-7
8.3.1.2 Logger Control Tab......................................................... 8-10
8.3.2 Settings under Program Control................................................ 8-11
8.3.3 Settings via Terminal Emulator................................................. 8-11

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8.3.4 Durable Settings ........................................................................ 8-12
8.3.4.1 “Include” File...................................................................8-12
8.3.4.2 Default.CR1 File.............................................................. 8-14
8.3.4.3 Priorities........................................................................... 8-14
9. CR1000 Programming ............................................. 9-1
9.1 Inserting Comments into Program........................................................ 9-1
9.2 Uploading CR1000 Programs............................................................... 9-1
9.3 Writing CR1000 Programs ................................................................... 9-1
9.3.1 Short Cut Editor and Program Generator.................................... 9-1
9.3.2 CRBASIC Editor ........................................................................ 9-2
9.3.3 Transformer................................................................................. 9-2
9.4 Numerical Formats ............................................................................... 9-2
9.5 Structure................................................................................................9-4
9.6 Declarations..........................................................................................9-6
9.6.1 Variables...................................................................................... 9-6
9.6.1.1 Arrays................................................................................ 9-6
9.6.1.2 Dimensions ........................................................................9-7
9.6.1.3 Data Types.........................................................................9-7
9.6.1.4 Data Type Operational Detail............................................ 9-9
9.6.2 Constants ................................................................................... 9-11
9.6.2.1 Predefined Constants ....................................................... 9-12
9.6.3 Flags .......................................................................................... 9-13
9.7 Data Tables ......................................................................................... 9-13
9.7.1 Data Table Programming .......................................................... 9-15
9.7.1.1 DataTable () and EndTable () Instructions ...................... 9-15
9.7.1.2 DataInterval () Instruction ............................................... 9-16
9.7.1.3 OpenInterval () Instruction ..............................................9-17
9.7.1.4 Output Processing Instructions........................................ 9-17
9.8 Subroutines ......................................................................................... 9-19
9.9 Program Timing: Main Scan............................................................... 9-19
9.10 Program Timing: Slow Sequence Scans ........................................... 9-20
9.11 Program Execution and Task Priority............................................... 9-20
9.11.1 Pipeline Mode.......................................................................... 9-21
9.11.2 Sequential Mode...................................................................... 9-22
9.12 Instructions ....................................................................................... 9-22
9.12.1 Measurement and Data Storage Processing............................. 9-23
9.12.2 Parameter Types ...................................................................... 9-23
9.12.3 Names in Parameters............................................................... 9-23
9.12.4 Expressions in Parameters....................................................... 9-24
9.12.5 Arrays of Multipliers and Offsets............................................ 9-24
9.13 Expressions....................................................................................... 9-25
9.13.1 Floating Point Arithmetic........................................................ 9-26
9.13.2 Mathematical Operations......................................................... 9-26
9.13.3 Expressions with Numeric Data Types ................................... 9-27
9.13.3.1 Boolean from FLOAT or LONG ................................... 9-27
9.13.3.2 FLOAT from LONG or Boolean ................................... 9-27
9.13.3.3 LONG from FLOAT or Boolean ................................... 9-27
9.13.3.4 Integers in Expressions .................................................. 9-27
9.13.3.5 Constants Conversion .................................................... 9-28
9.13.4 Logical Expressions ................................................................ 9-28
9.13.5 String Expressions................................................................... 9-31
9.14 Program Access to Data Tables ........................................................ 9-31

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10. CRBASIC Programming Instructions .................10-1
10.1 Program Declarations....................................................................... 10-1
10.2 Data Table Declarations ................................................................... 10-3
10.2.1 Data Table Modifiers.............................................................. 10-3
10.2.2 On-Line Data Destinations ..................................................... 10-3
10.2.3 Data Storage Output Processing ............................................. 10-4
10.2.3.1 Single-Source................................................................ 10-4
10.2.3.2 Multiple-Source ............................................................ 10-5
10.2.4 Histograms..................................................................................... 10-6
10.3 Single Execution at Compile ............................................................ 10-6
10.4 Program Control Instructions ........................................................... 10-7
10.4.1 Common Controls................................................................... 10-7
10.4.2 Advanced Controls.................................................................. 10-9
10.5 Measurement Instructions .............................................................. 10-10
10.5.1 Diagnostics............................................................................ 10-10
10.5.2 Voltage.................................................................................. 10-11
10.5.3 Thermocouples...................................................................... 10-11
10.5.4 Bridge Measurements............................................................ 10-11
10.5.5 Excitation .............................................................................. 10-12
10.5.6 Pulse...................................................................................... 10-12
10.5.7 Digital I/O ............................................................................. 10-13
10.5.8 SDI-12................................................................................... 10-14
10.5.9 Specific Sensors .................................................................... 10-14
10.5.10 Peripheral Device Support .................................................. 10-15
10.6 Processing and Math Instructions................................................... 10-17
10.6.1 Mathematical Operators........................................................ 10-17
10.6.2 Logical Operators.................................................................. 10-19
10.6.3 Trigonometric Functions....................................................... 10-19
10.6.3.1 Derived Functions.............................................................. 10-19
10.6.3.2 Intrinsic Functions.................................................................... 10-20
10.6.4 Arithmetic Functions............................................................. 10-21
10.6.5 Integrated Processing ............................................................ 10-23
10.6.6 Spatial Processing ................................................................. 10-23
10.6.7 Other Functions..................................................................... 10-24
10.7 String Functions ............................................................................. 10-25
10.7.1 String Operations .................................................................. 10-25
10.7.2 String Commands.................................................................. 10-25
10.8 Clock Functions.............................................................................. 10-27
10.9 Voice Modem Instructions ............................................................. 10-28
10.10 Custom Keyboard and Display Menus......................................... 10-30
10.11 Serial Input / Output..................................................................... 10-31
10.12 Peer-to-Peer PakBus Communications......................................... 10-32
10.13 Variable Management .................................................................. 10-35
10.14 File Management.......................................................................... 10-35
10.15 Data Table Access and Management............................................ 10-37
10.16 Information Services .................................................................... 10-38
10.17 Modem Control ............................................................................ 10-40
10.18 SCADA ........................................................................................ 10-40
10.19 Calibration Functions ................................................................... 10-41
10.20 Satellite Systems Programming.................................................... 10-42
10.20.1 Argos................................................................................... 10-42
10.20.2 GOES .................................................................................. 10-42
10.20.3 OMNISAT .......................................................................... 10-43
10.20.4 INMARSAT-C.................................................................... 10-43

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11. Programming Resource Library ......................... 11-1
11.1 Field Calibration of Linear Sensors (FieldCal)................................. 11-1
11.1.1 CAL Files................................................................................ 11-1
11.1.2 CRBASIC Programming......................................................... 11-2
11.1.3 Calibration Wizard Overview ................................................. 11-2
11.1.4 Manual Calibration Overview................................................. 11-2
11.1.4.1 Single-point Calibrations (zero or offset) ...................... 11-3
11.1.4.2 Two-point Calibrations (multiplier / gain) .................... 11-3
11.1.5 FieldCal () Demonstration Programs....................................... 11-3
11.1.5.1 Zero (Option 0).............................................................. 11-3
11.1.5.2 Offset (Option 1) ........................................................... 11-5
11.1.5.3 Two Point Slope and Offset (Option 2)......................... 11-6
11.1.5.4 Two Point Slope Only (Option 3) .................................11-8
11.1.6 FieldCalStrain () Demonstration Program............................. 11-10
11.1.6.1 Quarter bridge Shunt (Option 13)................................ 11-13
11.1.6.2 Quarter bridge Zero (Option 10) ................................. 11-13
11.2 Information Services....................................................................... 11-14
11.2.1 PakBus Over TCP/IP and Callback....................................... 11-15
11.2.2 HTTP Web Server................................................................. 11-15
11.2.3 FTP Server............................................................................. 11-18
11.2.4 FTP Client ............................................................................. 11-18
11.2.5 Telnet..................................................................................... 11-19
11.2.6 SNMP.................................................................................... 11-19
11.2.7 Ping ....................................................................................... 11-19
11.2.8 Micro-Serial Server ............................................................... 11-19
11.2.9 Modbus TCP/IP..................................................................... 11-19
11.2.10 DHCP .................................................................................. 11-19
11.2.11 DNS..................................................................................... 11-20
11.2.12 SMTP .................................................................................. 11-20
11.3 SDI-12 Sensor Support ................................................................... 11-20
11.3.1 SDI-12 Transparent Mode..................................................... 11-20
11.3.2 SDI-12 Command Basics ...................................................... 11-21
11.3.3 Addressing............................................................................. 11-21
11.3.3.1 Address Query Command............................................ 11-22
11.3.3.2 Change Address Command ......................................... 11-22
11.3.3.3 Send Identification Command ..................................... 11-22
11.3.4 Making Measurements .......................................................... 11-22
11.3.4.1 Start Measurement Command..................................... 11-23
11.3.4.2 Start Concurrent Measurement Command.................. 11-23
11.3.4.3 Aborting a Measurement Command............................ 11-24
11.3.5 Obtaining Measurement Values ............................................ 11-24
11.3.5.1 Send Data Command................................................... 11-24
11.3.5.2 Continuous Measurements Command......................... 11-24
11.3.6 SDI-12 Power Considerations ............................................... 11-26
11.4 Subroutines ..................................................................................... 11-27
11.5 Wind Vector ................................................................................... 11-27
11.5.1 OutputOpt Parameters ........................................................... 11-27
11.5.2 Wind Vector Processing........................................................ 11-28
11.5.2.1 Measured Raw Data .................................................... 11-29
11.5.2.2 Calculations................................................................. 11-29
11.6 Custom Menus ................................................................................ 11-32
11.6.1 Programming......................................................................... 11-32
11.6.2 Programming Example.......................................................... 11-32
11.7 Conditional Compilation................................................................. 11-36

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11.8 Serial I/O......................................................................................... 11-38
11.8.1 Introduction........................................................................... 11-38
11.8.2 Serial Ports............................................................................ 11-40
11.8.3 Serial Protocols ..................................................................... 11-40
11.8.4 Terms .................................................................................... 11-41
11.8.5 CRBASIC Programming....................................................... 11-41
11.8.5.1 Serial Input Instruction Set Basics ..................................... 11-42
11.8.5.2 Serial Input Programming Basics................................ 11-43
11.8.5.3 Serial Output Programming Basics............................. 11-44
11.8.5.4 Translating Bytes ........................................................ 11-45
11.8.5.5 Memory Considerations.............................................. 11-45
11.8.6 Demonstration Programs....................................................... 11-46
11.8.7 Testing Serial I/O Applications............................................. 11-47
11.8.7.1 Configure HyperTerminal........................................... 11-48
11.8.7.2 Create Send Text File.................................................. 11-49
11.8.7.3 Create Text Capture File ............................................. 11-50
11.8.8 Example Test Program.......................................................... 11-50
11.8.9 Q & A.................................................................................... 11-55
11.9 TrigVar and DisableVar -- Controlling Data Output and
Output Processing............................................................................ 11-56
11.10 Programming for Control ............................................................. 11-58
11.11 NSEC Data Type .......................................................................... 11-58
11.11.1 NSEC Application............................................................... 11-58
11.11.2 NSEC Options..................................................................... 11-59
11.11.3 Example NSEC Programming ............................................ 11-59
11.12 Bool8 Data Type .......................................................................... 11-61
11.13 Burst Mode................................................................................... 11-64
11.13.1 CR1000 Burst Mode ........................................................... 11-64
11.13.2 Comparing CR1000 and CR10X Burst Modes ................... 11-65
11.13.3 Burst Mode Programming................................................... 11-66
11.14 String Operations .......................................................................... 11-66
11.14.1 Operators............................................................................. 11-66
11.14.2 Concatenation...................................................................... 11-67
11.14.3 NULL Character ................................................................. 11-67
11.14.4 Inserting String Characters.................................................. 11-68
11.14.5 Extracting String Characters ............................................... 11-68
11.14.6 Use of ASCII / ANSII Codes.............................................. 11-68
11.14.7 Formatting Strings............................................................... 11-68
11.14.8 Formatting Hexadecimal Variables..................................... 11-69
11.15 Data Tables................................................................................... 11-69
11.15.1 Two Data Intervals – One Data Table................................. 11-69
12. Memory and Data Storage ...................................12-1
12.1 Internal SRAM ................................................................................. 12-4
12.2 CompactFlash®(CF) ........................................................................ 12-4
12.3 Memory Drives................................................................................. 12-5
12.3.1 CPU: ....................................................................................... 12-5
12.3.2 CRD: (CF card memory) ........................................................ 12-5
12.3.3 USR: ....................................................................................... 12-5
12.4 Memory Conservation...................................................................... 12-6
12.5 Memory Reset .................................................................................. 12-6
12.5.1 Full Memory Reset ................................................................. 12-6
12.5.2 Data Table Reset..................................................................... 12-6

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12.6 File Management .............................................................................. 12-7
12.6.1 File Attributes ......................................................................... 12-9
12.6.2 CF Power-up ......................................................................... 12-10
12.7 File Names...................................................................................... 12-14
13. Telecommunications and Data Retrieval........... 13-1
13.1 Hardware and Carrier Signal ............................................................ 13-1
13.2 Protocols ........................................................................................... 13-2
13.3 Initiating Telecommunications ......................................................... 13-2
13.4 Data Retrieval................................................................................... 13-3
13.4.1 Via Telecommunications......................................................... 13-3
13.4.2 Via CF Card ............................................................................ 13-3
13.4.3 Data Format on Computer....................................................... 13-3
14. PakBus Overview................................................. 14-1
14.1 PakBus Addresses............................................................................. 14-1
14.2 Nodes: Leaf Nodes and Routers .......................................................14-1
14.3 Router and Leaf Node Configuration ............................................... 14-2
14.4 Linking Nodes: Neighbor Discovery ................................................ 14-3
14.4.1 Hello-message (two-way exchange)........................................ 14-3
14.4.2 Beacon (one-way broadcast) ................................................... 14-3
14.4.3 Hello-request (one-way broadcast).......................................... 14-3
14.4.4 Neighbor Lists ......................................................................... 14-3
14.4.5 Adjusting Links ....................................................................... 14-3
14.4.6 Maintaining Links ................................................................... 14-4
14.5 Troubleshooting................................................................................ 14-4
14.5.1 Link Integrity........................................................................... 14-4
14.5.2 Ping ......................................................................................... 14-5
14.5.3 Traffic Flow............................................................................. 14-5
14.6 LoggerNet Device Map Configuration ............................................. 14-6
15. Alternate Telecoms Resource Library ............... 15-1
15.1 DNP3 ................................................................................................ 15-1
15.1.1 Overview ................................................................................. 15-1
15.1.2 Programming for DNP3 .......................................................... 15-1
15.1.2.1 Declarations................................................................... 15-1
15.1.2.2 CRBASIC Instructions .................................................. 15-2
15.1.2.3 Programming for Data Acquisition ............................... 15-3
15.1.2.4 Programming for Control .............................................. 15-3
15.1.2.5 Program Example.......................................................... 15-4
15.2 Modbus............................................................................................. 15-4
15.2.1 Overview ................................................................................. 15-4
15.2.2 Terminology............................................................................ 15-5
15.2.2.1 Glossary of Terms ......................................................... 15-5
15.2.3 Programming for Modbus ....................................................... 15-6
15.2.3.1 Declarations................................................................... 15-6
15.2.3.2 CRBASIC Instructions .................................................. 15-6
15.2.3.3 Addressing (ModbusAddr)............................................ 15-7
15.2.3.4 Supported Function Codes (Function)........................... 15-7
15.2.3.5 Reading Inverse Format Registers................................. 15-7
15.2.4 Troubleshooting....................................................................... 15-8
15.2.5 Modbus over IP with NL115................................................... 15-8